210978010

素因数分解:

$2^1\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{18787}}^1$

素因数の和:19917

約数の個数: 16

約数和(自身を含む): 380118816

約数和(自身を除く): 169140806

約数列:

[1, 2, 5, 10, 1123, 2246, 5615, 11230, 18787, 37574, 93935, 187870, 21097801, 42195602, 105489005, 210978010]

約数ペア:

[(1, 210978010), (2, 105489005), (5, 42195602), (10, 21097801), (1123, 187870), (2246, 93935), (5615, 37574), (11230, 18787)]